Fair Value of Financial Instruments - Measurement (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans and leases	$ 2,729	$ 2,812
Other real estate owned	3,140	3,418
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans and leases	2,729	2,812
Other real estate owned	$ 3,140	$ 3,418